Exhibit 31.4
Certification
I, Stephen A. Lasota, certify that:
| 1. | I have reviewed this Amendment No.1 on Form 10-K/A of Cowen Inc.; and |
| 2. | Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report. |
| Date: May 2, 2022 | /s/ Stephen A. Lasota | |
| Name: | Stephen A. Lasota | |
| Title: | Chief Financial Officer (principal financial officer and principal accounting officer) | |